How can I get 32-bit Direct3D working on my 64-bit Windows 7 system?

Posted by Daniel Stutzbach on Super User See other posts from Super User or by Daniel Stutzbach
Published on 2010-04-28T00:31:05Z Indexed on 2010/04/28 0:33 UTC
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I recently upgraded a Dell Inspiron 6400 to Windows 7 Ultimate 64-bit. I have a 32-bit 3D application that refuses to run, giving an error of "Failed to initialise [sic] Direct3D device".

The dxdiag tool tells me:

  • DirectDraw Acceleration: Enabled
  • Direct3D Acceleration: Not Available

However, the 64-bit version of dxdiag tells me:

  • DirectDraw Acceleration: Enabled
  • Direct3D: Enabled

I have installed and re-installed the latest graphics drivers, as well as the DirectX 9 redistributable, but it stills fails in the same way.

dxdiag reports the chipset name as the "Mobile Intel(R) 945 Express Chipset Family" with the the Chip Type as "Intel(R) GMA 950". The main driver is igdumd64.dll, version 8.15.10.1930.

How can I get 32-bit Direct3D working?

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